package com.itheima.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.itheima.common.R;
import com.itheima.entity.User;
import com.itheima.service.UserService;
import com.itheima.utils.ValidateCodeUtils;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpSession;
import javax.servlet.http.HttpServletRequest;
import java.util.Map;

@RestController
@Slf4j
@RequestMapping("/user")
public class UserController {

    @Autowired
    private UserService userService;
    /**
     * 获取验证码
     * @param user
     * @param session
     * @return
     */
    @PostMapping("/sendMsg")
    public R<String> sendMsg(@RequestBody User user , HttpSession session){


        //获取手机号
        String phone = user.getPhone();
        log.info("登录手机号：{}",phone);

        if(StringUtils.isNotEmpty(phone)){
            //生成验证码
            String code = ValidateCodeUtils.generateValidateCode(4).toString();
            log.info(code);

            //session中存储验证码
            session.setAttribute(phone,code);

            return R.success("获取成功");
        }
        return R.error("验证码获取失败");
    }

    @PostMapping("/login")
    public R<User> login(@RequestBody Map map,HttpSession session){
        //获取信息
        String phone = map.get("phone").toString();
        String code = map.get("code").toString();

        String codeInSession = session.getAttribute(phone).toString();

        //判断是否code正确
        if(codeInSession!=null&&codeInSession.equals(code) ){
            //根据手机号查询信息
            LambdaQueryWrapper<User> queryWrapper = new LambdaQueryWrapper<>();
            queryWrapper.eq(User::getPhone,phone);

            User user = userService.getOne(queryWrapper);

            if(user == null){
                user = new User();
                user.setPhone(phone);
                user.setStatus(1);
                userService.save(user);
            }

            session.setAttribute("user",user.getId());
            return R.success(user);
        }

        return R.error("登录失败");

    }

    @PostMapping("/loginout")
    public R<String> loginOut(HttpServletRequest request){
        request.getSession().removeAttribute("user");
        return R.success("退出成功");
    }
}
